Home / 768,893.65-1,153,587.25-369,563.38

Finding the Fourth Proportional to 768,893.65, 1,153,587.25 and 369,563.38

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Solution

The fourth proportional to 768,893.65, 1,153,587.25 and 369,563.38 is: 554,463.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,893.65 : 1,153,587.25 = 369,563.38 : x
  2. Step 2: Convert to fraction form
    768,893.65/1,153,587.25 = 369,563.38/x
  3. Step 3: Cross multiply
    768,893.65x = 1,153,587.25 × 369,563.38
  4. Step 4: Simplify right side
    768,893.65x = 426,323,600,812.89
  5. Step 5: Solve for x
    x = 426,323,600,812.89/768,893.65
  6. Step 6: Final answer
    x = 554,463.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.